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  4. If the median of the following distribution is M then 10M= <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/mathematics/52353f170088030ee38fa86d80ef93f0-.png />

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Q. If the median of the following distribution is $M$ then $10M=$
image

NTA AbhyasNTA Abhyas 2022

Solution:

$49$
$\frac{N}{2}=\frac{49}{2}=24.5$
Median class is $\left(15 - 20\right)$
As, Median $=15+\frac{24 . 5 - 11}{15}\times 5$
$=15+\frac{13 . 5}{3}=15+4.5=19.5$
Hence, $M=19.5\Rightarrow 10M=195$ .